This is a sonic map that's pretty cool, so I said might as well suggest it.
Gamebanana: http://gamebanana.com/maps/157534
Steam Workshop: https://steamcommunity.com/sharedfiles/filedetails/?id=531427338&searchtext=Deathrun
Gamebanana: http://gamebanana.com/maps/157534
Steam Workshop: https://steamcommunity.com/sharedfiles/filedetails/?id=531427338&searchtext=Deathrun